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D3 spiral matrix
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<title>D3 spiral matrix</title> | |
<style> | |
body { | |
width: 960px; | |
height: 500px; | |
background-color: #3E3E40; | |
color: #ccc; | |
font-family: "Helvetica Neue", Helvetica, sans-serif; | |
font-size: 14px; | |
} | |
.left { | |
margin-left: 20px; | |
margin-top: 150px; | |
float:left; | |
width: 140px; | |
} | |
</style> | |
</head> | |
<body> | |
<div> | |
<div class="left"> | |
Number of columns:<br/> | |
<input id="width" size="8"/><br/> | |
Number of rows:<br/> | |
<input id="height" size="8"/><br/> | |
<button id="button">Create table</button> | |
</div> | |
<div class="svg"> | |
</div> | |
</div> | |
<script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
<script> | |
var svg = d3.select(".svg").append("svg").attr({ | |
"width": "800", | |
"height": "500", | |
}); | |
var placeRectangle = function (data) { | |
d3.selectAll(".table").remove(); | |
var groups = svg.selectAll("g") | |
.data(data).enter() | |
.append("g") | |
.attr("transform", function (d, i) { | |
var x = 44 * d[0] + 20; | |
var y = (44 * d[1]) + 60; | |
// console.log([x, y]); | |
return "translate(" + [x, y] + ")"; | |
}).attr("class", "table"); | |
groups.append("rect").attr({ | |
"x": 0, | |
"y": 0, | |
"width": 44, | |
"height": 44, | |
"rx": 2, | |
"ry": 2, | |
"fill": "none", | |
"stroke": "#000" | |
}).transition() | |
.attr("stroke", "#ffffff") | |
.duration(500) | |
.delay(function (d, i) { | |
return i * 100; | |
}); | |
groups.append("text").text(function (d, i) { | |
return i + 1; | |
}).attr("transform", "translate(17,25)") | |
.attr("opacity", 0) | |
.transition() | |
.attr("opacity", 1) | |
.duration(500) | |
.delay(function (d, i) { | |
return i * 100; | |
}); | |
}; | |
var calculatePositions = function (width, height) { | |
var myArray = []; | |
var generateBottomLeft = function (x1, y1, x2, y2) { | |
for (i = x2; i >= x1; i -= 1) { | |
myArray.push([i, y2]); | |
} | |
for (j = y2 - 1; j >= y1; j -= 1) { | |
myArray.push([x1, j]); | |
} | |
if ((x2 - x1) && (y2 - y1) > 0) { | |
generateTopRight(x1 + 1, y1, x2, y2 - 1); | |
} | |
}; | |
var generateTopRight = function (x1, y1, x2, y2) { | |
for (i = x1; i <= x2; i += 1) { | |
myArray.push([i, y1]); | |
} | |
for (j = y1 + 1; j <= y2; j += 1) { | |
myArray.push([x2, j]); | |
} | |
if ((x2 - x1) && (y2 - y1) > 0) { | |
generateBottomLeft(x1, y1 + 1, x2 - 1, y2); | |
} | |
}; | |
generateBottomLeft(1, 1, width, height); | |
placeRectangle(myArray); | |
}; | |
var button = d3.select("#button"); | |
button.on("click", function () { | |
var x = document.getElementById("width").value; | |
var y = document.getElementById("height").value; | |
calculatePositions(x, y); | |
}); | |
</script> | |
</body> | |
</html> |
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